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The convex hub design provides increased structural rigidity at the shaft mounting point
Common Questions Is the SA159-17 compatible with both steam and hot water boilers
this 1/2-inch valve provides the precise regulation required to bring the system back to spec
ensuring reliable signal transmission to safety circuits or building management systems
Operating pressure ratings are substantial
Watts 0383308 Valve 30067439-890 The convex hub design providesThe Watts 0383308 is a high capacity ASME Section IV pressure relief valve designed specifically for hot water space heating boilers. Engineered as part of the Watts Series 740, this 1 1 4 inch NPT valve is factory set at 45 PSI and delivers a massive discharge capacity of 2,830,000 BTU hr. Its iron body construction features expanded outlet drain connections (1 1 2 inch) to facilitate rapid pressure reduction during thermal expansion or runaway
US$ 2807.50
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